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  1. shawname

    Charging a 36 volt Ping battery directly from photovoltaics.

    I use a 36 volt Ping battery to power my electric bicycle. The charging steps look like this: Photovoltaics to charge controller to battery to inverter to battery charger to battery management system to battery. A lot of steps, a lot of inefficiency. I'd like to experiment with simplifying...
  2. shawname

    Home assembled electric Yuba Mundo

    This is my home assembled electric Yuba Mundo. I wanted an ecargo bike that would go 60 miles on a charge and tote a weeks worth of groceries and my girlfriend- all at the same time! My needs were more demanding than the products on the market could meet so I chose to assemble my bike. I...
  3. shawname

    Photovoltaics not putting out enough amps.

    I have installed photovoltaics on my roof, and I must not understand something about how the system works. The problem is that I am not getting enough amps down at my charge controllers. For example, I have six 12Volt 2.9 amp commercial (but used Solarex) panels installed in parallel...
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